Malcolm Barnard. (2008). Graphic design as communication. Routledge.
Chicago Style aipamenaMalcolm Barnard. Graphic Design as Communication. London: Routledge, 2008.
MLA aipamenaMalcolm Barnard. Graphic Design as Communication. Routledge, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.